Automatic boat bailer

ABSTRACT

A DEVICE FOR AUTOMATICALLY BAILING WATER FROM A BOAT INCLUDING A BODY MEMBER HAVING A FRUSTO-CONICAL CAVITY IN WHICH IS POSITIONED A VALVE BALL, SAID CAVITY OPEN AT ITS OUTER AND INNER ENDS, THE INNER OPENING HAVING A VALVE SEAT FOR RECEIVING THE VALVE BALL TO CLOSE OFF THE INNER OPENING AND MEANS FOR MAINTAINING THE VALVE BALL IN THE CAVITY.

M8"!!! 23, 1971 D. A. MONSON 3,5

AUTOMATIC BOAT BAILER Filed Feb. 6, 1969 INVENTOR.

m Don/040 l). Mon/501v A rrokuzys 3,572,280 AUTOMATIC BOAT BAILER DonaldA. Monson, 439 Coventry Road, Hoyt Lakes, Minn. 55750 Filed Feb. 6,1969, Ser. No. 796,999 Int. Cl. B63b 13/00 US. Cl. 114-184 6 ClaimsABSTRACT OF THE DISCLOSURE A device for automatically bailing water froma boat including a body member having a frusto-conical cavity in whichis positioned a valve ball, said cavity open at its outer and innerends, the inner opening having a valve seat for receiving the valve ballto close oil the inner opening and means for maintaining the valve ballin the cavity.

SUMMARY OF THE INVENTION The invention relates to an automatic boatbailer which is mounted to extend through the lowermost point of thetransom of a boat. It is an object of the invention to provide a bailerthat will cause water to be automatically sucked from the boat as theboat is moved through the water and which automatically closes olf asthe boat is brought to rest in the water. It is a further object toprovide a bailer that automatically bails water from a boat when theboat is removed from the water. Thus a bailer is provided that keeps aboat free of water at all times. The bailer does away with the need fordrain plugs with the boat out of the water and pump means when the boatis in the water.

These and other more detailed and specific objects Will be disclosed inthe course of the following specification, reference being bad to theaccompanying drawings, in which FIG. 1 is a fragmentary sectional viewthrough the transom and bottom of a boat showing an automatic boatbailer embodying the invention mounted in the transom.

FIG. 2 is a longitudinal sectional view of the bailer of FIG. 1 with thevalve balls shown in closed position in broken lines.

FIG. 3 is a sectional view on the line 3-3 of FIG. 2.

Referring to the drawings in detail, the automatic boat bailer A ismounted in the hole 10 which extends through the transom T of the boatB. The bailer A includes the hollow cylindrical housing 12 which hasformed on the outer end thereof the annular flange 14. The flange 14abuts the outer surface of the transom T when the bailer A is inoperative position on the boat B. The numeral 16 designates a firstcylindrical insert for the cylindrical housing 12. The insert 16includes the annular flanges 18 which terminates at the inner edgethereof in the main and generally cylindrical body portion 20. Formed inthe insert body portion 20' is the axially disposed frustoconical outercavity 22 with the circuit and concentric valve seat edge 24. Extendingfrom the seat edge 24 is the frusto-conical inner cavity 26 which isjuxtaposed to the cavity 22 and which forms the annular shoulder 28 atits outer edge. The circular seat 24 forms the axial passage 29.

The numeral 30 designates a baflle generally in the form of a fiat discand it has formed therein the axial valve seat hole 32 with the chamberedge 34. The outside diameter of the bafile 30 is such that it fitssnugly within the cylindrical housing 12 and it is positioned againstthe annular shoulder 28. The baflle 30 further includes the plurality ofspaced openings 36, 38 and 40 spaced outwardly of the valve seat hole32.

Further provided is a second cylindrical insert 42 for United StatesPatent the cylindrical housing 12 which is substantially identical tothe insert 16 and includes the generally cylindrical body portion 44.The body portion 44 has formed axially therein the frusto-conical cavity46 terminating at its inner end in the circular and concentric valveseat edge 48 which forms the axial passage 50. The inserts 16 and 42 fitsnugly within the cylindrical housing 12 with the insert 42 in abutmentwith the batfle 30.

Positioned in the cavity 22 is the valve ball 23, the diameter of whichis greater than the diameter of the valve seat 24 so that it will seatthereon to close Off the same. Similarly, there is positioned in thecavity 46 the valve ball 47 which has a diameter greater than the valveseat 48 whereby the same may be closed 01f. The valve ball 47 is alsogreater in diameter than the valve seat hole 30.

The cylindrical housing 12 has formed on the inner end thereof theradial wall 52 formed with the axial hole 54. Positioned between theinner end of the insert 42. and the Wall 52 is the screen 56 whichscreens the hole 50 and prevents foreign objects from entering theinterior of the bailer A. With the bailer A in the hole 10' of thetransom T, the flange 14 of the housing '12 is in abutment with the rearflat surface of the transom. 'Ihe flange 18 of the first insert 16 isflush up against the flange 14 and positioned against the flange 18 isthe screen 58 which covers the circular opening 60. The screen 58 isheld in position by the ring 62 and the entire bailer A held securely inthe hole 10 of the transom by three spaced screws 64 extending throughthe ring, screen, flanges 14 and 16 and anchored in the transom. Thescreen 58 prevents foreign matter from entering the bailer and itmaintains the ball valve 23 in the cavity.

In the operation of the device, let it be assumed that there is water inthe boat B. As the boat is moved forward in the water, pressure isreduced at area X compared to that in the water in the boat B. As aresult of the reduced pressure and the shape of the cavities the valveballs 23 and 47 move off the valve seats 24 and 48, respectively,whereby water is sucked through the entire bailer from the inside of theboat to the outside thereof as indicated by the arrows in FIG. 2. As theboat slows down, the water which attempts to enter the boat closes offthe valves. The formation of the cavities directs the valve ballspositively and directly to the valve seats.

When the boat B has water in it and is taken from the water and placedon a support in the form of a trailer or the like, the pressure of thewater in the boat moves the valve halls off the seats whereby the boatis bailed. When the boat is placed in the water, the pressure of thewater causes the balls to move upon the seats 24 and 48 \as shown inbroken lines FIG. 2 and keeps the same closed when the boat is at rest.Only one ball and seat is required but the second ball is provided forsafety in the event the other ball sticks open.

It is understood that suitable modifications may be made in thestructure as disclosed, provided such modifications come within thespirit and scope of the appended claims. Having now therefore fullyillustrated and described my invention, what I claim to be new anddesire to protect by Letters Patent is:

1. A device for automatically bailing water from a boat, comprising: a

:(a) a housing generally horizontally arranged to extend through thetransom of a boat to be bailed such that the first end of the housing isadjacent the outer surface of the transom and the second end of thehousing is adjacent the inner end of the transom;

(b) a first member, positioned within the housing adjacent the outer endthereof, the first body member having a cavity formed therein to definean outer opening adjacent the first end of the housing and to define aninner opening in the form of a circular valve seat;

(c) a first spherical valve member, positioned within the cavity of thefirst body member, of a diameter greater than the diameter of the valveseat for seating on the valve seat and preventing the flow of watertherethrough as a result of water pressure upon the valve member and thevalve member moving off the valve seat with a reduction of pressurethereon;

(d) means, positioned adjacent the outer opening of the first bodymember, for maintaining the first valve means in the cavity of the firstbody member;

(e) a second body member, positioned within the housing adjacent theinner end thereof, the second body member having a cavity formedtherethrough to define an inner opening in the form of a circular valveseat adjacent the second end of the housing and to define an outeropening;

(f) second spherical valve means, positioned within the cavity of thesecond body means, of a diameter greater than the diameter of the valveseat for seating on the valve seat and preventing flow of watertherethrough as a result of water pressure upon the valve member and thevalve member moving off the valve seat with a reduction of pressurethereon; and

g) means, positioned adjacent the outer opening of the 4 second bodymember, for maintaining the valve member in the cavity of the secondbody member.

2. The device of claim 1 in which the cavity Within the first bodymember and the cavity within the second body member are tapered information.

3. The device of claim 2 in which both the cavity Within the first bodymember and the cavity within the second body member are frusto-conicalin formation.

4. The device of claim 3 in which the housing is cylindrical, and inwhich the first body member and the second body member are adjacentcylindrical members.

5. The device of claim 4 in which the means for maintaining the firstvalve means in the cavity of the first body member comprises a screencovering the outer opening of the first body member.

6. The device of claim 5 in which a screen is positioned to cover theinner opening of the second body member.

References Cited UNITED STATES PATENTS 412,982 10/1889 Schenck 1l41971,079,627 11/1913 Adams 114-197 3,459,150 8/1969 Lunde 114l83 ANDREW H.FARRELL, Primary Examiner

